ENGELER, J. Rainer Henrich / René Specht (Hg.), Johann Conrad Ulmer (1519–1600): Vollender der Reformation in Schaffhausen, 2020. Zwingliana, [S. l.], v. 48, p. 222–225, 2023. Disponível em: https://zwingliana.ch/index.php/zwa/article/view/2586. Acesso em: 20 mai. 2024.